Vacuum cleaner



FIG. 1 is a perspective view of the vacuum cleaner showing my design;

FIG. 2 is a rear elevational view;

FIG. 3 is a front elevational view;

FIG. 4 is a bottom plan view;

FIG. 5 is a top plan view;

FIG. 6 is a right side elevational view;

FIG. 7 is a left side elevational view; 

The ornamental design for a vacuum cleaner, as shown. 